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Saint Gallen, Uswisi

Goldingen · Ubora wa hewa

Jumamosi, 14 Nov · Europe/Zurich

Goldingen air quality

US air quality index

19

Nzuri

US EPA scale

  1. Nzuri0–50Current category
  2. Wastani51–100
  3. Hewa yenye madhara kwa makundi nyeti101–150
  4. Hewa yenye madhara151–200
  5. Hewa yenye madhara makubwa201–300
  6. Hatari301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

Vichafuzi vyote

PM1
8 µg/m³
PM2.5
11 µg/m³
PM10
12 µg/m³
Ozoni
35 µg/m³
Dioksidi ya nitrojeni
13 µg/m³
Dioksidi ya salfa
0 µg/m³
Monoksidi ya kaboni
168 µg/m³
European AQI (separate scale)
1